#ifndef __SUBCMD_PARSE_OPTIONS_H #define __SUBCMD_PARSE_OPTIONS_H #include #include #ifndef NORETURN #define NORETURN __attribute__((__noreturn__)) #endif enum parse_opt_type { /* special types */ OPTION_END, OPTION_ARGUMENT, OPTION_GROUP, /* options with no arguments */ OPTION_BIT, OPTION_BOOLEAN, OPTION_INCR, OPTION_SET_UINT, OPTION_SET_PTR, /* options with arguments (usually) */ OPTION_STRING, OPTION_INTEGER, OPTION_LONG, OPTION_CALLBACK, OPTION_U64, OPTION_UINTEGER, }; enum parse_opt_flags { PARSE_OPT_KEEP_DASHDASH = 1, PARSE_OPT_STOP_AT_NON_OPTION = 2, PARSE_OPT_KEEP_ARGV0 = 4, PARSE_OPT_KEEP_UNKNOWN = 8, PARSE_OPT_NO_INTERNAL_HELP = 16, }; enum parse_opt_option_flags { PARSE_OPT_OPTARG = 1, PARSE_OPT_NOARG = 2, PARSE_OPT_NONEG = 4, PARSE_OPT_HIDDEN = 8, PARSE_OPT_LASTARG_DEFAULT = 16, PARSE_OPT_DISABLED = 32, PARSE_OPT_EXCLUSIVE = 64, PARSE_OPT_NOEMPTY = 128, PARSE_OPT_NOBUILD = 256, PARSE_OPT_CANSKIP = 512, }; struct option; typedef int parse_opt_cb(const struct option *, const char *arg, int unset); /* * `type`:: * holds the type of the option, you must have an OPTION_END last in your * array. * * `short_name`:: * the character to use as a short option name, '\0' if none. * * `long_name`:: * the long option name, without the leading dashes, NULL if none. * * `value`:: * stores pointers to the values to be filled. * * `argh`:: * token to explain the kind of argument this option wants. Keep it * homogenous across the repository. * * `help`:: * the short help associated to what the option does. * Must never be NULL (except for OPTION_END). * OPTION_GROUP uses this pointer to store the group header. * * `flags`:: * mask of parse_opt_option_flags. * PARSE_OPT_OPTARG: says that the argument is optionnal (not for BOOLEANs) * PARSE_OPT_NOARG: says that this option takes no argument, for CALLBACKs * PARSE_OPT_NONEG: says that this option cannot be negated * PARSE_OPT_HIDDEN this option is skipped in the default usage, showed in * the long one. * * `callback`:: * pointer to the callback to use for OPTION_CALLBACK. * * `defval`:: * default value to fill (*->value) with for PARSE_OPT_OPTARG. * OPTION_{BIT,SET_UINT,SET_PTR} store the {mask,integer,pointer} to put in * the value when met. * CALLBACKS can use it like they want. * * `set`:: * whether an option was set by the user */ struct option { enum parse_opt_type type; int short_name; const char *long_name; void *value; const char *argh; const char *help; const char *build_opt; int flags; parse_opt_cb *callback; intptr_t defval; bool *set; void *data; const struct option *parent; }; #define check_vtype(v, type) ( BUILD_BUG_ON_ZERO(!__builtin_types_compatible_p(typeof(v), type)) + v ) #define OPT_END() { .type = OPTION_END } #define OPT_PARENT(p) { .type = OPTION_END, .parent = (p) } #define OPT_ARGUMENT(l, h) { .type = OPTION_ARGUMENT, .long_name = (l), .help = (h) } #define OPT_GROUP(h) { .type = OPTION_GROUP, .help = (h) } #define OPT_BIT(s, l, v, h, b) { .type = OPTION_BIT, .short_name = (s), .long_name = (l), .value = check_vtype(v, int *), .help = (h), .defval = (b) } #define OPT_BOOLEAN(s, l, v, h) { .type = OPTION_BOOLEAN, .short_name = (s), .long_name = (l), .value = check_vtype(v, bool *), .help = (h) } #define OPT_BOOLEAN_FLAG(s, l, v, h, f) { .type = OPTION_BOOLEAN, .short_name = (s), .long_name = (l), .value = check_vtype(v, bool *), .help = (h), .flags = (f) } #define OPT_BOOLEAN_SET(s, l, v, os, h) \ { .type = OPTION_BOOLEAN, .short_name = (s), .long_name = (l), \ .value = check_vtype(v, bool *), .help = (h), \ .set = check_vtype(os, bool *)} #define OPT_INCR(s, l, v, h) { .type = OPTION_INCR, .short_name = (s), .long_name = (l), .value = check_vtype(v, int *), .help = (h) } #define OPT_SET_UINT(s, l, v, h, i) { .type = OPTION_SET_UINT, .short_name = (s), .long_name = (l), .value = check_vtype(v, unsigned int *), .help = (h), .defval = (i) } #define OPT_SET_PTR(s, l, v, h, p) { .type = OPTION_SET_PTR, .short_name = (s), .long_name = (l), .value = (v), .help = (h), .defval = (p) } #define OPT_INTEGER(s, l, v, h) { .type = OPTION_INTEGER, .short_name = (s), .long_name = (l), .value = check_vtype(v, int *), .help = (h) } #define OPT_UINTEGER(s, l, v, h) { .type = OPTION_UINTEGER, .short_name = (s), .long_name = (l), .value = check_vtype(v, unsigned int *), .help = (h) } #define OPT_LONG(s, l, v, h) { .type = OPTION_LONG, .short_name = (s), .long_name = (l), .value = check_vtype(v, long *), .help = (h) } #define OPT_U64(s, l, v, h) { .type = OPTION_U64, .short_name = (s), .long_name = (l), .value = check_vtype(v, u64 *), .help = (h) } #define OPT_STRING(s, l, v, a, h) { .type = OPTION_STRING, .short_name = (s), .long_name = (l), .value = check_vtype(v, const char **), (a), .help = (h) } #define OPT_STRING_OPTARG(s, l, v, a, h, d) \ { .type = OPTION_STRING, .short_name = (s), .long_name = (l), \ .value = check_vtype(v, const char **), (a), .help = (h), \ .flags = PARSE_OPT_OPTARG, .defval = (intptr_t)(d) } #define OPT_STRING_OPTARG_SET(s, l, v, os, a, h, d) \ { .type = OPTION_STRING, .short_name = (s), .long_name = (l), \ .value = check_vtype(v, const char **), (a), .help = (h), \ .flags = PARSE_OPT_OPTARG, .defval = (intptr_t)(d), \ .set = check_vtype(os, bool *)} #define OPT_STRING_NOEMPTY(s, l, v, a, h) { .type = OPTION_STRING, .short_name = (s), .long_name = (l), .value = check_vtype(v, const char **), (a), .help = (h), .flags = PARSE_OPT_NOEMPTY} #define OPT_DATE(s, l, v, h) \ { .type = OPTION_CALLBACK, .short_name = (s), .long_name = (l), .value = (v), .argh = "time", .help = (h), .callback = parse_opt_approxidate_cb } #define OPT_CALLBACK(s, l, v, a, h, f) \ { .type = OPTION_CALLBACK, .short_name = (s), .long_name = (l), .value = (v), (a), .help = (h), .callback = (f) } #define OPT_CALLBACK_NOOPT(s, l, v, a, h, f) \ { .type = OPTION_CALLBACK, .short_name = (s), .long_name = (l), .value = (v), (a), .help = (h), .callback = (f), .flags = PARSE_OPT_NOARG } #define OPT_CALLBACK_DEFAULT(s, l, v, a, h, f, d) \ { .type = OPTION_CALLBACK, .short_name = (s), .long_name = (l), .value = (v), (a), .help = (h), .callback = (f), .defval = (intptr_t)d, .flags = PARSE_OPT_LASTARG_DEFAULT } #define OPT_CALLBACK_DEFAULT_NOOPT(s, l, v, a, h, f, d) \ { .type = OPTION_CALLBACK, .short_name = (s), .long_name = (l),\ .value = (v), (a), .help = (h), .callback = (f), .defval = (intptr_t)d,\ .flags = PARSE_OPT_LASTARG_DEFAULT | PARSE_OPT_NOARG} #define OPT_CALLBACK_OPTARG(s, l, v, d, a, h, f) \ { .type = OPTION_CALLBACK, .short_name = (s), .long_name = (l), \ .value = (v), (a), .help = (h), .callback = (f), \ .flags = PARSE_OPT_OPTARG, .data = (d) } /* parse_options() will filter out the processed options and leave the * non-option argments in argv[]. * Returns the number of arguments left in argv[]. * * NOTE: parse_options() and parse_options_subcommand() may call exit() in the * case of an error (or for 'special' options like --list-cmds or --list-opts). */ extern int parse_options(int argc, const char **argv, const struct option *options, const char * const usagestr[], int flags); extern int parse_options_subcommand(int argc, const char **argv, const struct option *options, const char *const subcommands[], const char *usagestr[], int flags); extern NORETURN void usage_with_options(const char * const *usagestr, const struct option *options); extern NORETURN __attribute__((format(printf,3,4))) void usage_with_options_msg(const char * const *usagestr, const struct option *options, const char *fmt, ...); /*----- incremantal advanced APIs -----*/ enum { PARSE_OPT_HELP = -1, PARSE_OPT_DONE, PARSE_OPT_LIST_OPTS, PARSE_OPT_LIST_SUBCMDS, PARSE_OPT_UNKNOWN, }; /* * It's okay for the caller to consume argv/argc in the usual way. * Other fields of that structure are private to parse-options and should not * be modified in any way. */ struct parse_opt_ctx_t { const char **argv; const char **out; int argc, cpidx; const char *opt; const struct option *excl_opt; int flags; }; extern int parse_options_usage(const char * const *usagestr, const struct option *opts, const char *optstr, bool short_opt); /*----- some often used options -----*/ extern int parse_opt_abbrev_cb(const struct option *, const char *, int); extern int parse_opt_approxidate_cb(const struct option *, const char *, int); extern int parse_opt_verbosity_cb(const struct option *, const char *, int); #define OPT__VERBOSE(var) OPT_BOOLEAN('v', "verbose", (var), "be verbose") #define OPT__QUIET(var) OPT_BOOLEAN('q', "quiet", (var), "be quiet") #define OPT__VERBOSITY(var) \ { OPTION_CALLBACK, 'v', "verbose", (var), NULL, "be more verbose", \ PARSE_OPT_NOARG, &parse_opt_verbosity_cb, 0 }, \ { OPTION_CALLBACK, 'q', "quiet", (var), NULL, "be more quiet", \ PARSE_OPT_NOARG, &parse_opt_verbosity_cb, 0 } #define OPT__DRY_RUN(var) OPT_BOOLEAN('n', "dry-run", (var), "dry run") #define OPT__ABBREV(var) \ { OPTION_CALLBACK, 0, "abbrev", (var), "n", \ "use digits to display SHA-1s", \ PARSE_OPT_OPTARG, &parse_opt_abbrev_cb, 0 } extern const char *parse_options_fix_filename(const char *prefix, const char *file); void set_option_flag(struct option *opts, int sopt, const char *lopt, int flag); void set_option_nobuild(struct option *opts, int shortopt, const char *longopt, const char *build_opt, bool can_skip); #endif /* __SUBCMD_PARSE_OPTIONS_H */ p;id=6107dbdb64465848e310b85ebe589236e24a9680'>ib_smi.h5633logplain -rw-r--r--ib_umem.h3577logplain -rw-r--r--ib_umem_odp.h5300logplain -rw-r--r--ib_verbs.h100225logplain -rw-r--r--iw_cm.h8793logplain -rw-r--r--iw_portmap.h7688logplain -rw-r--r--mr_pool.h954logplain -rw-r--r--opa_port_info.h15063logplain -rw-r--r--opa_smi.h4417logplain